package io;

import java.io.*;

public class CopyDemo3 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("123.jpg");
        BufferedInputStream bis = new BufferedInputStream(fis);

        FileOutputStream fos = new FileOutputStream("123_cp.jpg");
        BufferedOutputStream bos = new BufferedOutputStream(fos);

        int d;
        while((d = bis.read()) != -1){
            bos.write(d);
        }
        System.out.println("复制完毕");
        bis.close();
        bos.close();
    }
}
